From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next v4 09/17] IB/mlx5: Support statistic q counter configuration Date: Tue, 18 Jun 2019 20:26:17 +0300 Message-ID: <20190618172625.13432-10-leon@kernel.org> References: <20190618172625.13432-1-leon@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190618172625.13432-1-leon@kernel.org> Sender: netdev-owner@vger.kernel.org To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , RDMA mailing list , Majd Dibbiny , Mark Zhang , Saeed Mahameed , linux-netdev List-Id: linux-rdma@vger.kernel.org From: Mark Zhang Add support for ib callbacks counter_bind_qp(), counter_unbind_qp() and counter_dealloc(). Signed-off-by: Mark Zhang Reviewed-by: Majd Dibbiny Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 44 +++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 4493700099d4..ec2bf52634e8 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -5550,6 +5550,47 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, return num_counters; } +static int mlx5_ib_counter_bind_qp(struct rdma_counter *counter, + struct ib_qp *qp) +{ + struct mlx5_ib_dev *dev = to_mdev(qp->device); + u16 cnt_set_id = 0; + int err; + + if (!counter->id) { + err = mlx5_cmd_alloc_q_counter(dev->mdev, + &cnt_set_id, + MLX5_SHARED_RESOURCE_UID); + if (err) + return err; + counter->id = cnt_set_id; + } + + err = mlx5_ib_qp_set_counter(qp, counter); + if (err) + goto fail_set_counter; + + return 0; + +fail_set_counter: + mlx5_core_dealloc_q_counter(dev->mdev, cnt_set_id); + counter->id = 0; + + return err; +} + +static int mlx5_ib_counter_unbind_qp(struct ib_qp *qp) +{ + return mlx5_ib_qp_set_counter(qp, NULL); +} + +static int mlx5_ib_counter_dealloc(struct rdma_counter *counter) +{ + struct mlx5_ib_dev *dev = to_mdev(counter->device); + + return mlx5_core_dealloc_q_counter(dev->mdev, counter->id); +} + static int mlx5_ib_rn_get_params(struct ib_device *device, u8 port_num, enum rdma_netdev_t type, struct rdma_netdev_alloc_params *params) @@ -6471,6 +6512,9 @@ static void mlx5_ib_stage_odp_cleanup(struct mlx5_ib_dev *dev) static const struct ib_device_ops mlx5_ib_dev_hw_stats_ops = { .alloc_hw_stats = mlx5_ib_alloc_hw_stats, .get_hw_stats = mlx5_ib_get_hw_stats, + .counter_bind_qp = mlx5_ib_counter_bind_qp, + .counter_unbind_qp = mlx5_ib_counter_unbind_qp, + .counter_dealloc = mlx5_ib_counter_dealloc, }; static int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)